What happens if you put diesel in your petrol car
"In countries like Nepal, we have a dedicated pump person to refuel our vehicles. Such problem may not arise, if in case it does, have you wondered what would happen?"
In countries where there are self-fueling pumps, people often get confused and put diesel in their petrol car and petrol in their diesel car. In countries like Nepal, we have a dedicated pump person to refuel our vehicles. Such problem may not arise, if in case it does, have you wondered what would happen?
Difference between petrol and diesel car
Firstly, petrol engines have spark plugs. When the car is started, these spark and ignite the evaporated fuel that mixes with the air inside the engine. This is, essentially, how an engine runs, with a series of mini explosions. A diesel engine does not have spark plugs, and rather works off a piston that compresses the diesel so much that heat is generated and it catches fire. petrol vs diesel
Diesel is heavier than petrol. Petrol is light so that it can evaporate easily and cause the sparks. What happens if you put diesel in your petrol car?
What happens if you put diesel in your petrol car?
As we mentioned earlier, diesel needs to be compressed for the heat to generate and the petrol engine works in a different order, chances are that your car will not start at all. If your car starts and runs a small distance, it is because your car still had a little petrol left. Even though the engine would not ruin due to this particular misfuelling, it would cause a serious damage.
What happens if you put petrol in your diesel car?
This type of misfuelling is serious in comparison to the previous one. Basically, diesel acts as a lubricator that smoothens the fuel pump and other internal components, putting petrol in such tank causes to have the opposite reaction.
Adding petrol to a diesel engine increases friction between parts, causing damage to the fuel lines and pump. If you drive away or even start the car with petrol in the mix, you could cause expensive damage to the engine.
What to do when you misfuel?
If in case, you misfuel the car with another type of fuel, stay calm and follow the followings:
- Do not start the engine at any cost.
- Put your car in neutral and call or push it to your nearest mechanic.
- Inject out all the fuel in your car.
- Flush it with the right fuel.
- Change lubricating oils.
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